In the following replace * by the smallest number so that the given number is divisible by the number mentioned:
$4347 *$ by $4$ .

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Solution

Divisibility rule of $4$ - A number is divisible by $4$ if the number formed by its last two digits i.e. tens and ones is divisible by $4$ .
Number formed by last two digits, is $7 $ . If we place $2$ in place of $$ then we will get $72$ which is clearly divisible by $4$ .
Therefore, $2$ is the smallest number that can replace $*$ in the given number making it divisible by $4$ .

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